@article{oai:obihiro.repo.nii.ac.jp:00000933,
 author = {Ishi, Mitsuo and 石井, 三都夫},
 issue = {9},
 journal = {家畜診療, Journal of Livestock Medicine},
 month = {},
 note = {application/pdf},
 pages = {515--522},
 title = {乳牛の胎盤停滞の発生要因と予防および治療法},
 volume = {59},
 year = {2012}
}